Home / 166,221.10-249,376.20-47,902.78

Finding the Fourth Proportional to 166,221.10, 249,376.20 and 47,902.78

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Solution

The fourth proportional to 166,221.10, 249,376.20 and 47,902.78 is: 71,867.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,221.10 : 249,376.20 = 47,902.78 : x
  2. Step 2: Convert to fraction form
    166,221.10/249,376.20 = 47,902.78/x
  3. Step 3: Cross multiply
    166,221.10x = 249,376.20 × 47,902.78
  4. Step 4: Simplify right side
    166,221.10x = 11,945,813,245.84
  5. Step 5: Solve for x
    x = 11,945,813,245.84/166,221.10
  6. Step 6: Final answer
    x = 71,867.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.